APA (7th ed.) Citation

Borjas, G. J. (1990). Friends or strangers: The impact of immigrants on the U.S. economy. Basic Books.

Chicago Style (17th ed.) Citation

Borjas, George J. Friends or Strangers: The Impact of Immigrants on the U.S. Economy. New York: Basic Books, 1990.

MLA (9th ed.) Citation

Borjas, George J. Friends or Strangers: The Impact of Immigrants on the U.S. Economy. Basic Books, 1990.